[Report] Lead Conversion Time (#15237)

* New Report Lead Conversion Time

* Add column for support tickets and a row for Average

erpnext/crm/report/lead_conversion_time/lead_conversion_time.js

@@ -0,0 +1,24 @@
+// Copyright (c) 2018, Frappe Technologies Pvt. Ltd. and contributors
+// For license information, please see license.txt
+/* eslint-disable */
+
+frappe.query_reports["Lead Conversion Time"] = {
+	"filters": [
+		{
+			"fieldname":"from_date",
+			"label": __("From Date"),
+			"fieldtype": "Date",
+			'reqd': 1,
+			"default": frappe.datetime.add_days(frappe.datetime.nowdate(), -30)
+		},
+		{
+			"fieldname":"to_date",
+			"label": __("To Date"),
+			"fieldtype": "Date",
+			'reqd': 1,
+			"default":frappe.datetime.nowdate()
+		},
+	]
+};
+
+

erpnext/crm/report/lead_conversion_time/lead_conversion_time.json

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+{
+ "add_total_row": 0, 
+ "creation": "2018-08-24 16:05:07.639632", 
+ "disabled": 0, 
+ "docstatus": 0, 
+ "doctype": "Report", 
+ "idx": 0, 
+ "is_standard": "Yes", 
+ "letter_head": "", 
+ "modified": "2018-09-17 14:40:52.035394", 
+ "modified_by": "Administrator", 
+ "module": "CRM", 
+ "name": "Lead Conversion Time", 
+ "owner": "Administrator", 
+ "prepared_report": 0, 
+ "ref_doctype": "Communication", 
+ "report_name": "Lead Conversion Time", 
+ "report_type": "Script Report", 
+ "roles": [
+  {
+   "role": "Sales Manager"
+  }, 
+  {
+   "role": "Sales User"
+  }
+ ]
+}

erpnext/crm/report/lead_conversion_time/lead_conversion_time.py

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+# Copyright (c) 2018, Frappe Technologies Pvt. Ltd. and contributors
+# For license information, please see license.txt
+
+from __future__ import unicode_literals
+import frappe
+from frappe import _, msgprint
+from frappe.utils import date_diff, flt
+
+def execute(filters=None):
+	if not filters: filters = {}
+
+	communication_list = get_communication_details(filters)
+	columns = get_columns()
+
+	if not communication_list:
+		msgprint(_("No record found"))
+		return columns, communication_list
+
+	data = []
+	for communication in communication_list:
+		row = [communication.get('customer'), communication.get('interactions'),\
+			communication.get('duration'), communication.get('support_tickets')]
+		data.append(row)
+
+	# add the average row
+	total_interactions = 0
+	total_duration = 0
+	total_tickets = 0
+
+	for row in data:
+		total_interactions += row[1]
+		total_duration += row[2]
+		total_tickets += row[3]
+	data.append(['Average', total_interactions/len(data), total_duration/len(data), total_tickets/len(data)])
+	return columns, data
+
+def get_columns():
+	return [
+		{
+			"label": _("Customer"),
+			"fieldname": "customer",
+			"fieldtype": "Link",
+			"options": "Customer",
+			"width": 120
+		},
+		{
+			"label": _("No of Interactions"),
+			"fieldname": "interactions",
+			"fieldtype": "Float",
+			"width": 120
+		},
+		{
+			"label": _("Duration in Days"),
+			"fieldname": "duration",
+			"fieldtype": "Float",
+			"width": 120
+		},
+		{
+			"label": _("Support Tickets"),
+			"fieldname": "support_tickets",
+			"fieldtype": "Float",
+			"width": 120
+		}
+	]
+
+def get_communication_details(filters):
+	communication_count = None
+	communication_list = []
+	opportunities = frappe.db.get_values('Opportunity', {'enquiry_from': 'Lead'},\
+		['name', 'customer_name', 'lead', 'contact_email'], as_dict=1)
+
+	for d in opportunities:
+		invoice = frappe.db.sql('''
+				SELECT
+					date(creation)
+				FROM
+					`tabSales Invoice`
+				WHERE
+					contact_email = %s AND date(creation) between %s and %s AND docstatus != 2
+				ORDER BY
+					creation
+				LIMIT 1
+			''', (d.contact_email, filters.from_date, filters.to_date))
+
+		if not invoice: continue
+
+		communication_count = frappe.db.sql('''
+				SELECT
+					count(*)
+				FROM
+					`tabCommunication`
+				WHERE
+					sender = %s AND date(communication_date) <= %s
+			''', (d.contact_email, invoice))[0][0]
+
+		if not communication_count: continue
+
+		first_contact = frappe.db.sql('''
+				SELECT
+					date(communication_date)
+				FROM
+					`tabCommunication`
+				WHERE
+					recipients  = %s
+				ORDER BY
+					communication_date
+				LIMIT 1
+			''', (d.contact_email))[0][0]
+
+		duration = flt(date_diff(invoice[0][0], first_contact))
+
+		support_tickets = len(frappe.db.get_all('Issue', {'raised_by': d.contact_email}))
+		communication_list.append({'customer': d.customer_name, 'interactions': communication_count, 'duration': duration, 'support_tickets': support_tickets})
+	return communication_list